53391670 has 32 divisors (see below), whose sum is σ = 98794080. Its totient is φ = 20766720.

The previous prime is 53391661. The next prime is 53391677. The reversal of 53391670 is 7619335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53391677) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69046 + ... + 69814.

It is an arithmetic number, because the mean of its divisors is an integer number (3087315).

Almost surely, 2^53391670 is an apocalyptic number.

53391670 is a deficient number, since it is larger than the sum of its proper divisors (45402410).

53391670 is a wasteful number, since it uses less digits than its factorization.

53391670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960.

The product of its (nonzero) digits is 17010, while the sum is 34.

The square root of 53391670 is about 7306.9603803497. The cubic root of 53391670 is about 376.5516038065.

The spelling of 53391670 in words is "fifty-three million, three hundred ninety-one thousand, six hundred seventy".